#include<bits/stdc++.h>
#define ll long long
using namespace std;
const ll N=2e5+5,mod=1e9+7;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	freopen("employ.in","r",stdin);
	freopen("employ.out","w",stdout);
	cout<<0;
	return 0; 
}
